55877438 has 8 divisors (see below), whose sum is σ = 86520000. Its totient is φ = 27037440.

The previous prime is 55877417. The next prime is 55877441. The reversal of 55877438 is 83477855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55877392 and 55877401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450563 + ... + 450686.

It is an arithmetic number, because the mean of its divisors is an integer number (10815000).

Almost surely, 2^55877438 is an apocalyptic number.

55877438 is a deficient number, since it is larger than the sum of its proper divisors (30642562).

55877438 is a wasteful number, since it uses less digits than its factorization.

55877438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901282.

The product of its digits is 940800, while the sum is 47.

The square root of 55877438 is about 7475.1212699193. The cubic root of 55877438 is about 382.3069223622.

The spelling of 55877438 in words is "fifty-five million, eight hundred seventy-seven thousand, four hundred thirty-eight".